Recent advancements in phenanthroline-derived TADF materials for efficient organic light-emitting devices

) and charge-transfer characteristics, resulting in high photoluminescence quantum yields (PLQYs) and enhanced external quantum efficiencies (EQEs). This review systematically discusses these design strategies, structure-property relationships, and recent advances in orange to red TADF emission, highlighting the potential of phenanthroline-based materials for next-generation organic light-emitting devices.